python编写Mysql自动备份脚本

#!/usr/bin/env python

# -*- coding: utf-8 -*- 

# filename: mysql_dump.py

import os

import time

import string

‘‘‘ defined variable ‘‘‘

databases=‘--database kbss_kcas reportdb koacif sequence infocenter‘

sql_user=‘root‘

sql_pwd=‘123456‘

‘‘‘ Defining the remote backup variables ‘‘‘

jv_test01_dir="/opt/mysql"

‘‘‘ Create the backup file directory ‘‘‘

mkdir_dir="/opt/"+time.strftime(‘%Y%m‘)+"/"

if not os.path.exists(mkdir_dir):

        os.mkdir(mkdir_dir)

        print ‘Successfully created directory‘, mkdir_dir

‘‘‘ Start backup of database to the specified directory ‘‘‘

database_name = ‘databak31‘

os.chdir(mkdir_dir)

today_sql=mkdir_dir+database_name+‘_‘+time.strftime(‘%Y%m%d‘)+‘.sql‘

sql_comm="mysqldump -u %s -p‘%s‘ -R --events --quick --single-transaction %s > %s"%(sql_user,sql_pwd,databases,today_sql)

if os.system(sql_comm) ==  0:

        print database_name,‘is backup successfully!‘

else:

        print database_name,‘is backup Failed!!‘

time.sleep( 3)

scp_comm="cp %s %s "% (today_sql,jv_test01_dir)　　#这里我使用了一个挂在盘，所以直接拷贝到挂在盘就可以做备份文件二次保护啦！

if os.system(scp_comm) ==  0:

        print today_sql,‘This file backup to jv_test01 success!‘

else:

        print today_sql,‘This file backup to jv_test01  Failed!!‘